<template>
  <el-breadcrumb class="breadcrumb">
    <!-- 增加动画效果 -->
    <transition-group name="breadcrumb">
      <el-breadcrumb-item v-for="(item, index) in breadcrumData" :key="item.path">
        <!-- 不可点击 -->
        <span class="no-redirect" v-if="index === breadcrumData.length - 1">{{ generateTitle(item.meta.title) }}</span>
        <!-- 可以点击 -->
        <span class="redirect" v-else @click="onLinkClick(item)">{{ generateTitle(item.meta.title) }}</span>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>

<script setup>
import { useStore } from 'vuex'
import { watch, ref } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { generateTitle } from '@/utils/i18n'

// 生成数组数据
const breadcrumData = ref([])
const getBreadcrumData = () => {
  // 获取当前路由路由表 标准化路由记录
  breadcrumData.value = route.matched.filter(item => item.meta && item.meta.title)
}
const route = useRoute()
// 监听 路由变化
watch(route, () => {
  getBreadcrumData()
}, {
  immediate: true
})
//
const router = useRouter()
const onLinkClick = (item) => {
  router.push(item.path)
}
// 将来需要主题替换，所以hover 的颜色我们设置为主色
const store = useStore()
const linkHoverColor = ref(store.getters.cssVar.menuBg)
</script>

<style lang="scss" scoped>
.breadcrumb {
  display: inline-block;
  font-size: 14px;
  line-height: 50px;
  margin-left: 8px;
}

::v-deep(.no-redirect) {
  color: #97a8be;
  cursor: text;
}

.redirect {
  color: #666;
  font-weight: 600;
  cursor: pointer;
}

.redirect:hover{
  color: v-bind(linkHoverColor);
}
</style>
